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Long-term weather forecasting is critical for socioeconomic planning and disaster preparedness. While recent approaches employ finetuning to extend prediction horizons, they remain constrained by the issues of catastrophic forgetting, error…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Hao Chen , Tao Han , Jie Zhang , Song Guo , Fenghua Ling , Lei Bai

Effective representation learning of electronic health records is a challenging task and is becoming more important as the availability of such data is becoming pervasive. The data contained in these records are irregular and contain…

机器学习 · 计算机科学 2020-05-05 Sajad Darabi , Mohammad Kachuee , Shayan Fazeli , Majid Sarrafzadeh

Learning from longitudinal electronic health records is limited if it does not capture the temporal trajectories of the patient's state in a clinical setting. Graph models allow us to capture the hidden dependencies of the multivariate…

机器学习 · 计算机科学 2025-03-31 Munib Mesinovic , Soheila Molaei , Peter Watkinson , Tingting Zhu

Time series analysis faces significant challenges in handling variable-length data and achieving robust generalization. While Transformer-based models have advanced time series tasks, they often struggle with feature redundancy and limited…

机器学习 · 计算机科学 2025-09-23 Kai Zhang , Siming Sun , Zhengyu Fan , Qinmin Yang , Xuejun Jiang

Conventional machine learning models, particularly tree-based approaches, have demonstrated promising performance across various clinical prediction tasks using electronic health record (EHR) data. Despite their strengths, these models…

计算与语言 · 计算机科学 2025-05-26 Sara Ketabi , Dhanesh Ramachandram

Building models for health prediction based on Electronic Health Records (EHR) has become an active research area. EHR patient journey data consists of patient time-ordered clinical events/visits from patients. Most existing studies focus…

机器学习 · 计算机科学 2022-07-18 Yuxi Liu , Zhenhao Zhang , Antonio Jimeno Yepes , Flora D. Salim

In the dynamic hospital setting, decision support can be a valuable tool for improving patient outcomes. Data-driven inference of future outcomes is challenging in this dynamic setting, where long sequences such as laboratory tests and…

定量方法 · 定量生物学 2024-04-25 Alan D. Kaplan , Priyadip Ray , John D. Greene , Vincent X. Liu

Temporal modeling in complex systems requires capturing dependencies across multiple time scales while managing inherent uncertainties. We propose HierCVAE, a novel architecture that integrates hierarchical attention mechanisms with…

机器学习 · 计算机科学 2025-08-27 Yao Wu

Dynamic representation learning plays a pivotal role in understanding the evolution of linguistic content over time. On this front both context and time dynamics as well as their interplay are of prime importance. Current approaches model…

计算与语言 · 计算机科学 2024-10-23 Talia Tseriotou , Adam Tsakalidis , Maria Liakata

Foundation models trained on electronic health records show strong performance on many clinical prediction tasks but are limited by sparse and irregular documentation. Wearable devices provide dense continuous physiological signals but lack…

机器学习 · 计算机科学 2026-01-21 Yuanyun Zhang , Han Zhou , Li Feng , Yilin Hong , Shi Li

Recently, heatmap regression methods based on 1D landmark representations have shown prominent performance on locating facial landmarks. However, previous methods ignored to make deep explorations on the good potentials of 1D landmark…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Shi Yin , Shijie Huan , Shangfei Wang , Jinshui Hu , Tao Guo , Bing Yin , Baocai Yin , Cong Liu

Clinical case reports encode temporal patient trajectories that are often underexploited by traditional machine learning methods relying on structured data. In this work, we introduce the forecasting problem from textual time series, where…

计算与语言 · 计算机科学 2025-12-30 Shahriar Noroozizadeh , Sayantan Kumar , Jeremy C. Weiss

Predicting the patient's clinical outcome from the historical electronic medical records (EMR) is a fundamental research problem in medical informatics. Most deep learning-based solutions for EMR analysis concentrate on learning the…

机器学习 · 计算机科学 2019-11-28 Liantao Ma , Chaohe Zhang , Yasha Wang , Wenjie Ruan , Jiantao Wang , Wen Tang , Xinyu Ma , Xin Gao , Junyi Gao

Despite the importance and abundance of temporal knowledge graphs, most of the current research has been focused on reasoning on static graphs. In this paper, we study the challenging problem of inference over temporal knowledge graphs. In…

机器学习 · 计算机科学 2021-03-19 Ali Sadeghian , Mohammadreza Armandpour , Anthony Colas , Daisy Zhe Wang

Survival analysis utilizing multiple longitudinal medical images plays a pivotal role in the early detection and prognosis of diseases by providing insight beyond single-image evaluations. However, current methodologies often inadequately…

图像与视频处理 · 电气工程与系统科学 2025-08-14 Bingfan Liu , Haolun Shi , Jiguo Cao

We present a conformal prediction method for time series using the Transformer architecture to capture long-memory and long-range dependencies. Specifically, we use the Transformer decoder as a conditional quantile estimator to predict the…

机器学习 · 计算机科学 2024-06-11 Junghwan Lee , Chen Xu , Yao Xie

Using electronic health records data and machine learning to guide future decisions needs to address challenges, including 1) long/short-term dependencies and 2) interactions between diseases and interventions. Bidirectional transformers…

机器学习 · 计算机科学 2024-02-13 Ali Amirahmadi , Mattias Ohlsson , Kobra Etminani , Olle Melander , Jonas Björk

Learning the spatial topology of electroencephalogram (EEG) channels and their temporal dynamics is crucial for decoding attention states. This paper introduces EEG-PatchFormer, a transformer-based deep learning framework designed…

信号处理 · 电气工程与系统科学 2025-05-20 Yi Ding , Joon Hei Lee , Shuailei Zhang , Tianze Luo , Cuntai Guan

The Transformer architecture has become a cornerstone of modern artificial intelligence, but its core self-attention mechanism suffers from a complexity bottleneck that scales quadratically with sequence length, severely limiting its…

机器学习 · 计算机科学 2025-08-29 Zhongpan Tang

Electronic health records (EHR) are irregular, asynchronous multivariate time series. As time-series foundation models increasingly tokenize events rather than discretizing time, the input layout becomes a key design choice. Grids expose…

机器学习 · 计算机科学 2026-03-13 Joohyung Lee , Kwanhyung Lee , Changhun Kim , Eunho Yang